Patent US3344045A successfully refreshed from Google Patents.
US3344045A
Expired / Lapsed
US
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Electrolytic preparation of carboxylic acids
Assignee: Sunoco Inc
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Filing: 1964-10-23
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Granted: 1967-09-26
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 William C Neikam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:44
CPC Classifications
C; C07; C07C; C07C51/00; C07C57/00; C07C57/30; C07C57/34; C07C61/00; C07C61/16; C07C61/39; C25; C25B; C25B3/00; C25B3/01; C25B3/07; C25B3/20; C25B3/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
IN A PROCESS IN WHICH A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONS CONTAINING CONJUGATED UNSATURATION OF POLYCYCLIC HYDROCARBONS CONTAINING AN ARYL RING CONDENSED WITH ANOTHER RING IS CATHODICALLY REDUCED IN THE PRESENCE OF AN ELECTROLYTE, A MUTUAL SOLVENT FOR SAID HYDROCARBON AND SAID ELECTROLYTE, AND IN THE PRESENCE OF A SOURCE OF
Claim 2
Dependent Claim
54 words
IN A PROCESS IN WHICH A HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF HYDROCARBONS CONTAINING CONJUGATED UNSATURATION OF POLYCYCLIC HYDROCARBONS CONTAINING AN ARYL RING CONDENSED WITH ANOTHER RING IS CATHODICALLY REDUCED IN THE PRESENCE OF AN ELECTROLYTE, A MUTUAL SOLVENT FOR SAID HYDROCARBON AND SAID ELECTROLYTE, AND IN THE PRESENCE OF A SOURCE OF
References Cited (Backward Citations)
US2477579A
Cited
US3032489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |